Directed by
| Walon Green | ||
| Ed Spiegel | ... | (Hellstrom Sequence) |
Writing Credits (in alphabetical order)
| David Seltzer | ||
Cast (in credits order)
| Lawrence Pressman | ... | Dr. Hellstrom | |
| Rest of cast listed alphabetically: | |||
| Conlan Carter | ... | Farmer (uncredited) | |
| Ian McShane | ... | Charlie Cartwright (archive footage) (uncredited) | |
| Suzanne Pleshette | ... | Self - Actress in Film Clip from If It's Tuesday, This Must Be Belgium (archive footage) (uncredited) | |
Produced by
| Walon Green | ... | producer |
| Sascha Schneider | ... | associate producer |
| Linda May Strawn | ... | associate producer (uncredited) |
| David L. Wolper | ... | executive producer |
Music by
| Lalo Schifrin | ||
Cinematography by
| Helmuth Barth | ||
| Walon Green | ||
| Vilis Lapenieks | ... | (Hellstrom sequences) |
Editing by
| John Soh | ||
Makeup Department
| Lawrence Abbott | ... | makeup artist |
| Scott Hamilton | ... | makeup artist |
Production Management
| Andy Babbish | ... | unit manager |
| George Fredrick | ... | post-production supervisor |
| Conrad Holzgang | ... | executive in charge of production |
Sound Department
| Charles L. Campbell | ... | sound effects editor |
| David M. Ronne | ... | sound recordist (as David Ronne) |
Camera and Electrical Department
| Ferdinando Armati | ... | additional photographer |
| J.M. Boufle | ... | additional photographer |
| Tony Coggans | ... | additional photographer |
| James Fonseca | ... | additional photographer |
| Ross A. Maehl | ... | gaffer |
| Ken Middleham | ... | cinematographer: insect sequences |
| Glenn Roland | ... | lighting gaffer: Hellstrom sequences |
| Heinz Sielmann | ... | additional photographer |
| Bob Stein | ... | assistant camera |
| Gerald Thompson | ... | additional photographer |
Music Department
| Emil Richards | ... | musician: percussion (uncredited) |
| Lalo Schifrin | ... | conductor |
| Jack K. Tillar | ... | music supervisor (as Jack Tillar) |
Script and Continuity Department
| Malcolm Leo | ... | script supervisor |
Additional Crew
| Diane Hovanesian | ... | production assistant |
| Marge Pinns | ... | production associate |
Thanks
| Gérald Calderon | ... | special thanks |
| Conlan Carter | ... | special thanks |
| Jim Dannaldson | ... | special thanks |
| Philip Leakey | ... | special thanks (as Phil Leakey) |
| Lloyd Martin | ... | special thanks |
| John Moore | ... | special thanks |
| Lenita Moore | ... | special thanks |
| Jim Robertson | ... | special thanks |
| Monty C. Ruben | ... | special thanks (as M.C. Ruben) |
| Linda May Strawn | ... | special thanks (as Linda Strawn) |
| Mel Stuart | ... | special thanks |
